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Ferramentas para Automação de Datacenter - GTER 37
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Transcript of Ferramentas para Automação de Datacenter - GTER 37
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Ferramentas para Automação de Datacenter
Wilson Rogério [email protected]
http://br.linkedin.com/in/wrlopes/
GTER 372014
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Motivação
Agilidade
Custos operacionais
Padronização e conformidade contínua
Tarefas repetitivas – exaustão e erros
Downtime
Rastreabilidade
Escalabilidade e Recovery
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Premissas
Mundo “físico” e virtual
Automação pensando na topologia
Uso do potencial da infraestrutura
Modular
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Escopo
Instalação do S.O. Configurações de IP e DNS Checklist de segurança Deploy em massa de apps e pacotes Manutenção e versionamento de arquivos de
configuração Rede Storage Balanceadores de carga
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S.O. - Instalação
Cobbler – http://www.cobblerd.org
• Instalação de distros Linux via PXE / Kickstart• Gerência de tftp e dhcp• Profiles – Distro + Kickstart • Tarefas post-install
$ cobbler system add –name=server1 –mac=00:11:22:AA:BB:CC –profile=Centos-6.5 x86_64
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S.O. - Instalação
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IP e DNS
OpenNetAdmin - http://opennetadmin.com/
• IPv6 Ready• Vlans, subnets, ips, dns direto e reverso• Interface web ajax• CLI – scripting, interação remota
$ dcm.pl -r host_add host=server ip=X.X.X.X notes=http://x.x.x.x
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IP e DNS
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IP e DNS
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Pacotes e Configurações
Puppet - http://puppetlabs.com/
• Puppet master – modules, classes, nodes, catalogs (SVN)
• Puppet agent – requisita o seu catalog periodicamente
• Linguagem declarativa – define, enforce, report
• Deploy em massa de apps, pacotes, arquivos (e mais..)
• Configurações aplicadas para 1-N hosts agrupados
• Facts – variáveis baseadas no host
• Conformidade contínua
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Pacotes e Configurações
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Pacotes e Configurações
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Pacotes e Configurações
Puppet Master
site.pp
node 'web-1.example.com' { include default include httpd }
node /^web-.*/ { include default include httpd }
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Pacotes e Configuraçõesmodules/default/manifests/init.pp
class iptables {
package { 'iptables':ensure => installed,
}
service { 'iptables':name => iptables,ensure => running,enable => true,subscribe => File['/etc/sysconfig/iptables'],
}
file { '/etc/sysconfig/iptables': owner => "root", group => "root", source => "puppet:///modules/default/files/iptables" }
class tcpwrappers {
file { '/etc/hosts.allow': owner => "root", group => "root", mode => 0644, source => "puppet:///modules/default/files/hosts.allow" }}
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Pacotes e Configurações
modules/httpd/manifests/init.pp
class httpd {
class httpd {
package { 'httpd': ensure => installed, }
file { '/etc/httpd/conf.d/': owner => "root", group => "root",
recurse => true, purge => true,
mode => 0644, source => [ "puppet:///modules//etc/httpd/conf.d",
}
service { 'httpd': name => 'httpd', ensure => running, enable => true, require => Package["httpd"], }}
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Pacotes e Configurações
class nc { package { 'nc': ensure => 'purged' }}
class openssl_update { package { 'openssl': ensure => '1.0.1e-16.el6_5.7', }}
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Rede
06/03/2014 - 1.0 of Puppet for Junos OS
• Puppet agent nativo instalado como pacote Junos
jpuppet.xx.tgz
• Módulo netdev, desenvolvido pela Juniper, instalado no
master
• Cria vlans, configura interfaces L2 e LAGs
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Rede
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Rede
node "sw01.dc" { netdev_device { $hostname: }
netdev_vlan { "Green": vlan_id => 101, }
netdev_l2_interface { "ge-0/0/0": untagged_vlan => Green, }
}
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Rede
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Storage e Balanceadores
Storage
. Netapp – fatmcgav-netapp
. Cria, modifica e delete exports NFS
Balanceador de carga
. F5 BIGIP – puppetlabs-f5
. Cria, modifica e deleta virtual servers, pools,
monitors, e mais...
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Referências
http://puppetlabs.com/
http://www.juniper.net/techpubs/en_US/release-independent/junos-puppet/information-products/pathway-pages/index.html
http://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/unified-fabric/solution-brief-c22-730039.html
http://puppetlabs.com/presentations/managing-cisco-devices-using-puppet